From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:6746 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755688AbaBRN6S (ORCPT ); Tue, 18 Feb 2014 08:58:18 -0500 Message-ID: <530366F2.2010009@fb.com> Date: Tue, 18 Feb 2014 08:58:10 -0500 From: Josef Bacik MIME-Version: 1.0 To: Goswin von Brederlow , Subject: Re: ENOSPC with 270GiB free References: <20140216135808.GA1491@frosties> In-Reply-To: <20140216135808.GA1491@frosties> Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 02/16/2014 08:58 AM, Goswin von Brederlow wrote: > Hi, > > I'm getting a ENOSPC error from btrfs despite there still being > plenty of space left: > > % df -m /mnt/nas3 Filesystem 1M-blocks Used Available > Use% Mounted on /dev/mapper/nas3-a 19077220 18805132 270773 > 99% /mnt/nas3 > > % btrfs fi show Label: none uuid: > 4b18f84e-2499-41ca-81ff-fe1783c11491 Total devices 1 FS bytes used > 17.91TiB devid 1 size 18.19TiB used 17.94TiB path > /dev/mapper/nas3-a > > Btrfs v3.12 > > % btrfs fi df Data, single: total=17.89TiB, used=17.88TiB System, > DUP: total=32.00MiB, used=1.92MiB Metadata, DUP: total=25.50GiB, > used=24.89GiB > > As you can see there are still 270GiB free and plenty of block > groups free on the device too. > > So why isn't btrfs allocating a new block group to store more > data? > > What kernel? Can you give btrfs-next a try? Mount with -o enospc_debug and when you get enospc send the dmesg. Thanks, Josef -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTA2bsAAoJEANb+wAKly3BLB4P/0W5RCk9YZQ+WJcDs8/g82Be G5oWx+0N2eYKIttCWxrvXlx2mpVP5mWimzYqs+V7SvaVgbm3KlwuID9JQpuOQ1lH ihnxr48kdwNa8J159oEU7oVRJ84D1b0D21MZzIKU9YoNoDHTQQsELe4aojniKMIY 4RFh/8qWjMm2BGKW4jZwKzIHoF9rt+kU7Lhfm9XOi0OCut8FlFSjSwsiaN8NFJAf DFtkgfZTRJUxiq3dXn7m6yzspS3L5atAfd862UbFDrA7EcYIZnc+zw9/hUxX8JwP N3espmJQ03DRn8LLoOZtBMZ+NUnRgoOd33k1z9jeB7RnqN165vSQaYibUw6Zk+Vh qADBAy+f8aHtBF8yNIuwqEXH9D5fXlfgYUnWW/YBiw6+dbguxb4CKIzkdh67paah zvpLrXkZd95taqXFkaj0PZydwSVkSIbrPuNllRku02Bz8XxPjE0rlW+wCr2uHI2y Ne2jpGdCClJCfLTZC8SsHaLeYktvEVBnQ6ZOriU+Rl1hzvi+ieG7leRHIa1K7VED 669zuZ4QfYvdU7lnXzTuC36NmmaSC4wrLaYTPAytU4OLB5dIby9nyF+25t60hq5n pb2R5tn7heH9928aVktFMTuAWUBTI7B1O1ZGB/cTcYKduYXOD9Y5ljEalA7HhUpb PwuiepAP1uBkiBPQDYH1 =tCLT -----END PGP SIGNATURE-----